It says buzz and suddenly turns off just after turning on?
I've got a mac-book pro 15" model:A1260 (not the uni-body) for about 3 years now, I was restarting it and it stuck in the shutting down page for some minutes I got bored and used the power button and hold it to force the shutting down, when I tried to start it again it didn't work, the fans start working and I guess the hard and DVD-ROM too and suddenly a noise and all is down, I have checked booting without ram and it makes the error sound I have open the upper case to see if there is anything wrong to see, and removed the main connectors and replaced them again, but I couldn't solve it, I really appreciate any hints on the problem.
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